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JavaScript JavaScript Basics (Retired) Making Decisions with Conditional Statements Introducing Conditional Statements

how to negate case sensitivity in a string?

I am asking for best language and expecting answer as Ruby or ruby or rubY , i mean i like to accept any "ruby" entered

var answer = prompt('what is the best programming language?');
if (answer === 'ruby')
{ alert('You are correct');
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>JavaScript Basics</title>
<script src="app.js"></script>

1 Answer

You could convert the answer provided to lower case in the if statement by tacking on the .toLowerCase() method.

So the updated code would be:

var answer = prompt("what is the best programming language?");
if (answer.toLowerCase() === "ruby") {
  alert("You are correct");

Further reading: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toLowerCase

Hope this helps.